If the tool window you are going to hide is currently active, press Shift+Escape.

Hiding all tool windows attached to the same tool window bar

Do one of the following:

Press and hold the Alt (for Windows and Linux users) or ⌘ (for macOS users) key, and click on the title bar of any of the tool windows attached to the corresponding tool window bar.

Choose Window | Active Tool Window | Hide Side Tool Windows in the main menu. This command hides all the tool windows attached to same tool window bar as the active tool window or the last of the active tool windows.

Hiding all tool windows

Switching to the last active tool window

Choose Window | Active Tool Window | Jump to Last Tool Window in the main menu.

Press Ctrl+Alt+Backspace.

If all the tool windows are currently hidden, the last active tool window will be shown and made active.

Hiding or showing the tool window bars

You can hide all the tool window bars if you need more space in the JetBrains Rider window:

In the lower left corner of the workspace, click .

If the tool window bars are hidden, you can bring them back onto the screen either permanently or for a short period of time:

To restore the tool window bars, click in the lower left corner of the workspace.

To see the tool window bars for a short period of time, double-press and hold the Alt (for Windows and Linux users) or ⌘ (for macOS users) key. The tool window bars appear on the screen making the tool window buttons accessible. The tool window bars are hidden again when you release the key.